Concentration Of Ore -Multiple Choice Questions Quiz

Interactive MCQs on “Concentration Of Ore”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is the concentration of ore?

(a) The process of removing impurities from ore
(b) The process of crushing the ore into fine powder
(c) The process of melting the ore to extract the metal
(d) The process of purifying the metal after extraction

Question 2: What is the principle behind magnetic separation during the concentration of ore?

(a) Differences in densities of the ore and impurities
(b) Differences in electrical conductivity of the ore and impurities
(c) Differences in magnetic properties of the ore and impurities
(d) Differences in solubility of the ore and impurities

Question 3: Froth flotation method is used for the concentration of?

(a) Iron ore
(b) Bauxite ore
(c) Copper ore
(d) Zinc ore

Question 4: Which of the following methods is used for the concentration of tin ore?

(a) Gravity separation
(b) Magnetic separation
(c) Froth flotation
(d) Roasting

Question 5: What is the role of sodium cyanide in the cyanide process of concentration of gold?

(a) It dissolves the gold particles from the ore
(b) It helps in the froth flotation of gold particles
(c) It helps in the magnetic separation of gold particles
(d) It helps in the gravity separation of gold particles

Question 6: What is the purpose of roasting in the concentration of sulfide ores?

(a) To convert the sulfide ore into oxide ore
(b) To convert the oxide ore into sulfide ore
(c) To remove the moisture from the ore
(d) To reduce the size of the ore particles

Question 7: Which of the following methods is used for the concentration of silver ore?

(a) Leaching
(b) Gravity separation
(c) Magnetic separation
(d) Froth flotation

Question 8: Which of the following metals is concentrated by the liquation method?

(a) Zinc
(b) Silver
(c) Copper
(d) Lead

Question 9: What is the principle behind the hydraulic washing method of concentration of ore?

(a) Differences in densities of the ore and impurities
(b) Differences in electrical conductivity of the ore and impurities
(c) Differences in magnetic properties of the ore and impurities
(d) Differences in solubility of the ore and impurities

Question 10: Which of the following methods is used for the concentration of alumina (aluminum ore)?

(a) Froth flotation
(b) Leaching
(c) Magnetic separation
(d) Bayer's process